Replacement Of Paper Feed Roller And Separator Pad (120K Kit) - Brother MFC-9420CN Service Manual

6.3.5 Replacement of Paper Feed Roller and Separator Pad (120K KIT)

<Criterion of Replacement>
Since the paper feed roller and separator pad are defined as periodic replacement parts as per
Table 6-1, they should be replaced when the feeding jam (17. MEDIA JAM FEED) occurs. The
following message appears in LCD of the control panel.
NOTE: At the same time, replacement of the paper feed roller, the cleaning roller, the separator
pad and the transfer unit is strongly recommended.
<Work Procedures>
Sequence of Disassembling
(1) Turn off the printer power switch.
(2) Open the rear cover.
(3) Remove the setscrew from the support band.
(4) Remove the setscrew (BT3x8, 2 pieces) of the paper guide (B) PU.
(5) Remove the paper guide (B) PU.
Support band
Setscrew
Replace 120K Kit
Fig. 6-22
6 -1 6
BT3x8
Paper guide (B) PU
BT3x8
Rear cover
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